Natura - nature actualia - actual entities Mundus Plinius - physical world naturalia - natural bodies [crown] Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020] Domain Bacteria Woese et al. 1990 [paraphyletic?] Superphylum Terrabacteria Battistuzzi et al. 2004 Phylum "Actinobacteria" Garrity and Holt 2001 Class Actinobacteriaᵀ Stackebrandt et al. 1997 Order Actinomycetalesᵀ Buchanan 1917 (Approved Lists 1980) Suborder Corynebacterineae Stackebrandt et al. 1997 Family Nocardiaceae Castellani and Chalmers 1919 (Approved Lists 1980) Genus Skermania Chun et al. 1997 [monotypic] 1 Skermania piniformisᵀ (Blackall et al. 1989) Chun et al. 1997